*{
  margin: 0;
  padding: 0;
  list-style: none;
}
.grid-demo-item-block{
  margin-left: 20px;
  background: var(--adm-color-box);
  text-align: center;
  line-height: 50px;
  color: #999999;
  height: 50px;
  width: 60px;
  margin-bottom: 10px;
}